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490972 = 22122743
BaseRepresentation
bin1110111110111011100
3220221111011
41313313130
5111202342
614305004
74113256
oct1676734
9827434
10490972
11305969
121b8164
13142621
14cacd6
159a717
hex77ddc

490972 has 6 divisors (see below), whose sum is σ = 859208. Its totient is φ = 245484.

The previous prime is 490969. The next prime is 490991. The reversal of 490972 is 279094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61368 + ... + 61375.

2490972 is an apocalyptic number.

It is an amenable number.

490972 is a deficient number, since it is larger than the sum of its proper divisors (368236).

490972 is a wasteful number, since it uses less digits than its factorization.

490972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122747 (or 122745 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 490972 is about 700.6939417463. The cubic root of 490972 is about 78.8894463875.

The spelling of 490972 in words is "four hundred ninety thousand, nine hundred seventy-two".

Divisors: 1 2 4 122743 245486 490972